Pseudogap of Ortho-III YBa2Cu3O7−x from Cu EPR investigation
详细信息 查看全文
- 作者：Min-Quan Kuanga ; Shao-Yi Wub ; Hong-Kuan Yuana ; Li-Dan Wangc ; Shu-Kai Duanc ; duansk@swu.edu.cn" class="auth_mail" title="E-mail the corresponding author ; An-Long Kuanga ; Guo-Qing Lia
- 关键词：Pseudogap ; Pseudo Jahn-Teller effect ; Electron paramagnetic resonance (EPR) ; YBa2Cu3O7&minus ; x
- 刊名：Journal of Alloys and Compounds
- 出版年：2017
- 出版时间：5 January 2017
- 年：2017
- 卷：690
- 期：Complete
- 页码：169-175
- 全文大小：880 K
文摘
- •
Pseudogap is almost 190 K for YBa2Cu3O7−x (Tc ≈ 86.5 K) based on derivative height="32" width="21" alt="View the MathML source" title="View the MathML source" src="/sd/grey_pxl.gif" data-inlimgeid="1-s2.0-S0925838816324112-si1.gif">
.
- •
Temperature dependent g factors are investigated in a phenomenological and numerical way.
- •
g factors are linearly dependent of the implicit temperature normalized parameter γ.
- •
The local structures of Cu2+(1) are reasonably explained in view of pseudo Jahn-Teller effect.